package com.can.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.can.reggie.common.R;
import com.can.reggie.entity.Category;
import com.can.reggie.entity.Dish;
import com.can.reggie.entity.Setmeal;
import com.can.reggie.service.CategoryService;
import com.can.reggie.service.DishService;
import com.can.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/*
 * 分类的管理
 * */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;


    /**
     * 新增分类
     *
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        boolean flag = categoryService.save(category);
        if (flag) {
            return R.success("新增分类成功");
        }
        return R.error("新增失败");
    }

    /**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
        //条件构造器,根据sort排序
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        lqw.orderByAsc(Category::getSort);
        //进行分页查询
        categoryService.page(pageInfo, lqw);

        return R.success(pageInfo);

    }


    /**
     * 根据id删除分类
     *
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id) {
        //自定义方法, 先判断该分类是否有对应的菜品或套餐
        categoryService.remove(id);

        return R.success("分类信息删除成功");
    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String > update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    /**
     * 获取菜品分类列表
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> getCategoryList(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper();
        //添加条件
        lqw.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        //查询
        List<Category> categoryList = categoryService.list(lqw);

        return R.success(categoryList);
    }
}
